Home / 830,590.28-1,146,225.32-491,055.56

Finding the Fourth Proportional to 830,590.28, 1,146,225.32 and 491,055.56

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Solution

The fourth proportional to 830,590.28, 1,146,225.32 and 491,055.56 is: 677,663.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,590.28 : 1,146,225.32 = 491,055.56 : x
  2. Step 2: Convert to fraction form
    830,590.28/1,146,225.32 = 491,055.56/x
  3. Step 3: Cross multiply
    830,590.28x = 1,146,225.32 × 491,055.56
  4. Step 4: Simplify right side
    830,590.28x = 562,860,316,398.78
  5. Step 5: Solve for x
    x = 562,860,316,398.78/830,590.28
  6. Step 6: Final answer
    x = 677,663.02

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.